Your IT department is building a lightweight Front Controller servlet that invokes an application logic objectwith the interface：
public interface ApplicationController {public String invoke（HttpServletRequest request）}
The return value of this method indicates a symbolic name of the next view. From this name， the FrontController servlet looks up the JSP URL in a configuration table. This URL might be an absolute path or apath relative to the current request. Next， the Front Controller servlet must send the request to this JSP togenerate the view. Assume that the servlet variable request is assigned the current HttpServletRequestobject and the variable context is assigned the webapp’s ServletContext.
Which code snippet of the FrontController servlet accomplishes this goal？（）
A.
B.
C.
D.
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A.<realm-name>
B.<auth-method>
C.<security-role>
D.<transport-guarantee>
E.<web-resource-collection>
Given a Filter class definition with this method：
21.public void doFilter（ServletRequest request，
22.ServletResponse response，
23.FilterChain chain）
24.throws ServletException， IOException {
25.// insert code here
26.}
Which should you insert at line 25 to properly invoke the next filter in the chain， or the target servlet if thereare no more filters？（）
A.chain.forward（request， response）；
B.chain.doFilter（request， response）；
C.request.forward（request， response）；
D.request.doFilter（request， response）；
You need to create a JSP that generates some JavaScript code to populate an array of strings used on the client-side.
Which JSP code snippet will create this array？（）
A.
B.
C.
D.
Click the Exhibit button.
The attribute "name" has a value of "Foo，"
What is the result if this tag handler’s tag is invoked？（）
A.Foo
B.done
C.Foodone
D.An exception is thrown at runtime
E.No output is produced from this code
最新試題
Click the ’Select and Place’ button.Place the events in the order they occur.
In which three directories， relative to a web application’s root， may a tag library descriptor file reside whendeployed directly into a web application？（）
Click the 'Select and Place' button.Place the events in the order they occur.
Which is a benefit of precompiling a JSP page？（）
Click the ’Select and Place’ button.Place the events in the order they occur.
Which three are true about servlet filters？（）
Given a web application in which the request parameter productID contains a product identifier.Which twoEL expressions evaluate the value of the productID？（）
You are building a web application with a scheduling component. On the JSP， you need to show the currentdate， the date of the previous week， and the date of the next week. To help you present this information，you have created the following EL functions in the ’d’ namespace： name： curDate； signature： java.util.DatecurrentDate（） name： addWeek； signature： java.util.Date addWeek（java.util.Date， int） name： dateString；signature：java.util.String getDateString（java.util.Date）Which EL code snippet will generate the string for the previousweek？
Which ensures that a JSP response is of type "text/plain"？（）
Click the 'Select and Place' button.Place the events in the order they occur.